Your Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 4:46  
clear_day Transit: 12:57  
SunsetSet: 21:08 south
wb_twilight Astronomical TwilightWhat's Visible Now
All Constellations » Puppis » 

HR2658

Altitude: -76.7°   Azimuth: 301.3°   Direction: West-North-West

HR2658 is a hypergiant star in the constellation of Puppis.

HR2658 visual magnitude is 6.43. Because of its reltive faintness, HR2658 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR2658:

6.43
Hypergiant

HR2658 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -76.7°
Azimuth: 301.3°
Direction: West-North-West

Celestial coordinates and finder chart of HR2658

HR2658 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR2658 are provided in the following table:

07h 02m 15s
-43° 24’ 15”
253.77°
-16.43°
Puppis

The simplified sky map below shows the position of HR2658 in the sky:

Finder chart HR2658 star
Simplified finder chart for HR2658.

Visibility of HR2658 from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

HR2658 is currently not visible from Greenwich, United Kingdom edit_location_alt

Digitized Sky Survey image of HR2658

The image below is a photograph of HR2658 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR2658 is 0.015 arcsec per year in Right Ascension and -0.012 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of HR2658 star
DSS2 image of HR2658. The red arrow shows the motion of HR2658 during the next 10000 years (2.50 arcmin in Right Ascension and -2.00 arcmin in declination);

Distance of HR2658 from the Sun and relative movement

HR2658 is distant 408.01 light years from the Sun and it is moving far from the Sun at the speed of 31 kilometers per second.

125.16 pc
408.01 ly
31 km/s
0.015 arcsec/year
-0.012 arcsec/year

Spectral properties of HR2658

HR2658 belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

0.94
A0V
10653K

The red dot in the diagram below shows where HR2658 is situated in the Hertzsprungā€“Russell diagram.

HR Diagram
H-R diagram showing the position of HR2658. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR2658

SAO218396
SAO218396